package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.Wrapper;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.DishDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.DishFlavor;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.DishFlavorService;
import com.itheima.reggie.service.DishService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

/**
 * 菜品管理
 */
@RestController
@RequestMapping("/dish")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;

    @Autowired
    private DishFlavorService dishFlavorService;

    @Autowired
    private CategoryService categoryService;

    /**
     * 新增菜品
     *
     * @param dishDto
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto) {
        log.info(dishDto.toString());

        dishService.saveWithFlavor(dishDto);

        return R.success("新增菜品成功");
    }

    /**
     * 菜品信息分页查询
     *
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name) {

        //构造分页构造器对象
        Page<Dish> pageInfo = new Page<>(page, pageSize);
        Page<DishDto> dishDtoPage = new Page<>();

        //条件构造器
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        //添加过滤条件
        queryWrapper.like(name != null, Dish::getName, name);
        //添加排序条件
        queryWrapper.orderByDesc(Dish::getUpdateTime);

        //执行分页查询
        dishService.page(pageInfo, queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo, dishDtoPage, "records");

        List<Dish> records = pageInfo.getRecords();

        List<DishDto> list = records.stream().map((item) -> {
            DishDto dishDto = new DishDto();

            BeanUtils.copyProperties(item, dishDto);

            Long categoryId = item.getCategoryId();//分类id
            //根据id查询分类对象
            Category category = categoryService.getById(categoryId);

            if (category != null) {
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }
            return dishDto;
        }).collect(Collectors.toList());

        dishDtoPage.setRecords(list);

        return R.success(dishDtoPage);
    }

    /**
     * 根据id查询菜品信息和对应的口味信息
     *
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R<DishDto> get(@PathVariable Long id) {

        DishDto dishDto = dishService.getByIdWithFlavor(id);

        return R.success(dishDto);
    }

    /**
     * 修改菜品
     *
     * @param dishDto
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto) {
        log.info(dishDto.toString());

        dishService.updateWithFlavor(dishDto);

        return R.success("新增菜品成功");
    }


//    @DeleteMapping
//    public R deleteDish(@RequestParam List<Long> ids) {
//        for (Long id : ids) {
//            Dish dish = dishService.getById(id);
//            dish.setIsDeleted(1);
//            dish.setName("米饭111");
//            boolean b = dishService.updateById(dish);
//            System.out.println("看我看我看我"+b);
//            System.out.println(dish);
//        }
//        return R.success("删除成功");
//    }

    @DeleteMapping
    public R<String> deleteIds(@RequestParam List<Long> ids) {

        dishService.deleteWithFlavor(ids);

        return R.success("删除成功");
    }


    @PostMapping("/status/{status}")
    public R updateStatus(@PathVariable Integer status,
                          @RequestParam List<Long> ids) {
        for (Long id : ids) {
            Dish dish = dishService.getById(id);
            dish.setStatus(status);
            dishService.updateById(dish);
        }
        return R.success("操作成功");
    }
/**
 * 根据分类id查询该分类下的所有菜品集合
 */
    @GetMapping("/list")
    public R<List<DishDto>> list (Long categoryId){

        LambdaQueryWrapper<Dish> lqw = new LambdaQueryWrapper<>();
        lqw.eq(Dish::getCategoryId,categoryId)
        .eq(Dish::getStatus,1)
        .orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);;
        List<Dish> list = dishService.list(lqw);
        List<DishDto> dishDtos = new ArrayList<>();
        for (Dish dish : list) {
            DishDto dishDto = new DishDto();
            //复制属性
            BeanUtils.copyProperties(dish,dishDto);
            //查询菜品口味数据
            LambdaQueryWrapper<DishFlavor> lqw1 = new LambdaQueryWrapper<>();
            lqw1.eq(DishFlavor::getDishId,dish.getId());
            List<DishFlavor> list1 = dishFlavorService.list(lqw1);
            //将菜品口味set给dishdto
            dishDto.setFlavors(list1);
            //添加进集合
            dishDtos.add(dishDto);
        }
        return  R.success(dishDtos);
    }



}
